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FormatVersion="5.0"
StartTimeUTC="2026-03-30 -089 00:05:00.000"
URSICode="SMK29"
StationName="Santa Maria"
GeoLatitude="-29.69"
GeoLongitude="307.81"
Source="Ionosonde"
SourceType="DPS-4D"
ScalerType="auto">
<SystemInfo UMLStationID="129">
<FrequencyStepping StartFrequency="2.0" StopFrequency="15.0">
<LinearStepping Step="0.025" Units="MHz" />
</FrequencyStepping>
<RangeStepping StartRange="80.0" StopRange="1360.0" >
<LinearStepping Step="2.5" Units="km" />
</RangeStepping>
<AutoScaler Name="Artist5" Version="500200" ArtistFlags="2 8 0 0 0 0 0 0 0 55 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49: Problems inverting F-trace to N(h)-profile</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.03.30 (089) 00:05:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.18" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.97" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="82.25368" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202608903300005001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="20" >
<URSI ID="00" Val="6.050" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.017" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="18.251" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.425" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="30" Val="2.650" Name="foEs" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.475" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="6.400" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="255.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="255.000" Name="h`F2" Units="km" QL="/" DL="/" />
<URSI ID="34" Val="87.500" Name="h`Es" Units="km" QL="/" DL="/" />
<URSI ID="90" Val="110.000" Name="hmE" Units="km" QL="/" DL="/" />
<URSI ID="83" Val="20.000" Name="yE" Units="km" QL="/" DL="/" />
<URSI ID="86" Val="0.050" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="5.400" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="342.500" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.475" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.475" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<Modeled Name="foF2p" Val="6.509" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<Custom Name="fminEs" Val="2.425" Description="Minimum frequency of Es-layer" Units="MHz" />
</CharacteristicList>
<TraceList Num="2">
<Trace Type="standard" Layer="F2" Polarization="O" Num="104">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
3.475 3.5 3.525 3.55 3.575 3.6 3.625 3.65 3.675 3.7 3.725 3.75 3.775 3.8 3.825 3.85 3.875 3.9 3.925 3.95 3.975 4.0 4.025 4.05 4.075 4.1 4.125 4.15 4.175 4.2 4.225 4.25 4.275 4.3 4.325 4.35 4.375 4.4 4.425 4.45 4.475 4.5 4.525 4.55 4.575 4.6 4.625 4.65 4.675 4.7 4.725 4.75 4.775 4.8 4.825 4.85 4.875 4.9 4.925 4.95 4.975 5.0 5.025 5.05 5.075 5.1 5.125 5.15 5.175 5.2 5.225 5.25 5.275 5.3 5.325 5.35 5.375 5.4 5.425 5.45 5.475 5.5 5.525 5.55 5.575 5.6 5.625 5.65 5.675 5.7 5.725 5.75 5.775 5.8 5.825 5.85 5.875 5.9 5.925 5.95 5.975 6.0 6.025 6.05
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
255.000 255.000 257.500 257.500 257.500 257.500 257.500 260.000 260.000 260.000 260.833 261.667 262.500 263.333 264.167 265.000 265.000 267.500 268.750 270.000 270.000 270.000 270.000 270.000 272.500 272.500 273.750 275.000 275.000 275.000 277.500 277.500 278.750 280.000 280.000 282.500 282.500 282.500 285.000 285.000 285.000 287.500 287.500 290.000 290.000 290.000 292.500 295.000 295.000 297.500 297.500 297.500 300.000 300.000 302.500 305.000 305.000 305.000 307.500 310.000 310.000 312.500 312.500 315.000 317.500 317.500 320.000 322.500 322.500 325.000 327.500 330.000 332.500 335.000 337.500 340.000 342.500 342.500 347.500 350.000 352.500 357.500 360.000 365.000 370.000 372.500 377.500 385.000 390.000 397.500 410.000 417.500 422.500 429.031 436.199 444.102 452.859 462.617 473.557 485.908 499.961 516.096 534.810 556.778
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<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
90 87 93 0 78 0 75 78 0 87 0 0 0 0 0 96 87 81 0 57 0 99 0 99 99 102 0 99 99 102 90 90 0 90 90 87 90 90 63 66 66 63 66 63 90 87 102 93 90 84 90 90 90 90 102 96 66 66 66 63 66 63 63 66 63 63 66 63 63 63 63 66 102 102 99 99 63 63 63 63 60 60 60 60 60 60 57 57 57 54 87 87 51 51 87 0 0 0 0 0 0 0 0 0
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<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
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</Trace>
<Trace Type="standard" Layer="Es" Polarization="O" Num="10">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.425 2.45 2.475 2.5 2.525 2.55 2.575 2.6 2.625 2.65
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
87.500 87.500 87.500 87.500 87.500 87.500 87.500 90.000 90.000 90.000
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
84 84 78 78 78 78 78 81 78 78
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
1.5625 -1.5625 -1.5625 -1.5625 1.5625 1.5625 1.5625 -1.5625 -1.5625 1.5625
</TraceValueList>
</Trace>
</TraceList>
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